<?php
$a = 1 + 1;
$b = 2 - 2;
$c = 3 * 3;
$d = 4 / 4;
$e = 5 % 5;
$f = 1 + $a;
$g = 2 - $b;
$h = 3 * $c;
$i = 4 / $d;
$j = 5 % $i;
?>